Orthodontic anchor



FIG. 1 is a front elevational view of an orthodontic anchor showing my new design, the rear being the same in appearance;

FIG. 2 is a side elevational view, the opposite side being the same in appearance;

FIG. 3 is a top plan view; and,

FIG. 4 is a bottom plan view. 

The ornamental design for an orthodontic anchor, as shown and described. 